Zte V881 Quick Start Manual page 5

Keep away from pacemakers and other personal medical
devices
Avoid any contact with liquid, keep it dry
Switch off when instructed in hospitals and medical
facilities
Do not attempt to disassemble
Switch off when instructed in aircrafts and airports
Do not rely on this device for emergency communications
Switch off in explosive environments
Only use approved accessories
Notes:
microSD logo is a trademark of the SD Card Association.
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